Re: memory usage

From: Mladen Gogala <gogala.mladen_at_gmail.com>
Date: Thu, 1 Mar 2012 22:35:27 +0000 (UTC)
Message-ID: <jiotjf$p18$1_at_solani.org>

On Thu, 01 Mar 2012 05:56:49 -0800, rvaede wrote:

> I have a server Redhat 4 and running Oracle 11 thats slow and consumming
> a lot of memory and its constant.
> Server has 16 GB of RAM.
> I am a linux administrator so I am not familiar with the Oracle config
> files.
> I also noticed that the cached is consumming about 9 GB.
> Would you have any advise on how to tackle this.
>
> top - 08:48:27 up 33 days, 22:45, 1 user, load average: 0.22, 0.31,
> 0.43 Tasks: 109 total, 1 running, 108 sleeping, 0 stopped, 0
> zombie Cpu(s): 0.2%us, 0.2%sy, 1.9%ni, 97.7%id, 0.0%wa, 0.0%hi,
> 0.1%si, 0.0%st Mem: 16435720k total, 15975740k used, 459980k free,
> 171268k buffers Swap: 8193140k total, 116k used, 8193024k free,
> 9881732k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND 12893 oracle 18 0 2804m 984m 5448 S 4.7 6.1
> 171:21.72 java 32023 oracle 18 0 3594m 1.5g 5504 S 3.0
> 9.7 100:39.68 java
> 1181 oracle 18 0 755m 301m 12m S 0.3 1.9
> 4:31.23 java
> 1557 root 10 -5 0 0 0 S
> 0.3 0.0 3:26.96 kjournald 11364 oracle 15 0 1569m
> 175m 3820 S 0.3 1.1 32:50.70 java 32579 oracle 21 0
> 3358m 1.2g 5264 S 0.3 7.9 57:14.52 java

You should make sure that out of memory killer is active and kills everything allocating more than 128K or memory. Your memory problems will become history.

-- 
http://mgogala.byethost5.com

Received on Thu Mar 01 2012 - 16:35:27 CST